// ISO C9x  compliant stdint.h for Microsoft Visual Studio
// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
//
//  Copyright (c) 2006-2013 Alexander Chemeris
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1. Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//   2. Redistributions in binary form must reproduce the above copyright
//      notice, this list of conditions and the following disclaimer in the
//      documentation and/or other materials provided with the distribution.
//
//   3. Neither the name of the product nor the names of its contributors may
//      be used to endorse or promote products derived from this software
//      without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////

// The above software in this distribution may have been modified by
// THL A29 Limited ("Tencent Modifications").
// All Tencent Modifications are Copyright (C) 2015 THL A29 Limited.

#ifndef _MSC_VER  // [
  #error "Use this header only with Microsoft Visual C++ compilers!"
#endif  // _MSC_VER ]

#ifndef _MSC_STDINT_H_  // [
  #define _MSC_STDINT_H_

  #if _MSC_VER > 1000
    #pragma once
  #endif

  // miloyip: Originally Visual Studio 2010 uses its own stdint.h. However it generates warning with INT64_C(), so change to use this file for vs2010.
  #if _MSC_VER >= 1600  // [
    #include <stdint.h>

    #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)  // [   See footnote 224 at page 260

      #undef INT8_C
      #undef INT16_C
      #undef INT32_C
      #undef INT64_C
      #undef UINT8_C
      #undef UINT16_C
      #undef UINT32_C
      #undef UINT64_C

    // 7.18.4.1 Macros for minimum-width integer constants

      #define INT8_C(val) val##i8
      #define INT16_C(val) val##i16
      #define INT32_C(val) val##i32
      #define INT64_C(val) val##i64

      #define UINT8_C(val) val##ui8
      #define UINT16_C(val) val##ui16
      #define UINT32_C(val) val##ui32
      #define UINT64_C(val) val##ui64

      // 7.18.4.2 Macros for greatest-width integer constants
      // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
      // Check out Issue 9 for the details.
      #ifndef INTMAX_C  //   [
        #define INTMAX_C INT64_C
      #endif             // INTMAX_C    ]
      #ifndef UINTMAX_C  //  [
        #define UINTMAX_C UINT64_C
      #endif  // UINTMAX_C   ]

    #endif  // __STDC_CONSTANT_MACROS ]

  #else  // ] _MSC_VER >= 1700 [

    #include <limits.h>

    // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
    // compiling for ARM we have to wrap <wchar.h> include with 'extern "C++" {}'
    // or compiler would give many errors like this:
    //   error C2733: second C linkage of overloaded function 'wmemchr' not allowed
    #if defined(__cplusplus) && !defined(_M_ARM)
extern "C" {
    #endif
    #include <wchar.h>
    #if defined(__cplusplus) && !defined(_M_ARM)
}
    #endif

    // Define _W64 macros to mark types changing their size, like intptr_t.
    #ifndef _W64
      #if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
        #define _W64 __w64
      #else
        #define _W64
      #endif
    #endif

    // 7.18.1 Integer types

    // 7.18.1.1 Exact-width integer types

    // Visual Studio 6 and Embedded Visual C++ 4 doesn't
    // realize that, e.g. char has the same size as __int8
    // so we give up on __intX for them.
    #if (_MSC_VER < 1300)
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
    #else
typedef signed __int8 int8_t;
typedef signed __int16 int16_t;
typedef signed __int32 int32_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
    #endif
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;

// 7.18.1.2 Minimum-width integer types
typedef int8_t int_least8_t;
typedef int16_t int_least16_t;
typedef int32_t int_least32_t;
typedef int64_t int_least64_t;
typedef uint8_t uint_least8_t;
typedef uint16_t uint_least16_t;
typedef uint32_t uint_least32_t;
typedef uint64_t uint_least64_t;

// 7.18.1.3 Fastest minimum-width integer types
typedef int8_t int_fast8_t;
typedef int16_t int_fast16_t;
typedef int32_t int_fast32_t;
typedef int64_t int_fast64_t;
typedef uint8_t uint_fast8_t;
typedef uint16_t uint_fast16_t;
typedef uint32_t uint_fast32_t;
typedef uint64_t uint_fast64_t;

    // 7.18.1.4 Integer types capable of holding object pointers
    #ifdef _WIN64  // [
typedef signed __int64 intptr_t;
typedef unsigned __int64 uintptr_t;
    #else          // _WIN64 ][
typedef _W64 signed int intptr_t;
typedef _W64 unsigned int uintptr_t;
    #endif         // _WIN64 ]

// 7.18.1.5 Greatest-width integer types
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;

  // 7.18.2 Limits of specified-width integer types

    #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)  // [   See footnote 220 at page 257 and footnote 221 at page 259

      // 7.18.2.1 Limits of exact-width integer types
      #define INT8_MIN ((int8_t)_I8_MIN)
      #define INT8_MAX _I8_MAX
      #define INT16_MIN ((int16_t)_I16_MIN)
      #define INT16_MAX _I16_MAX
      #define INT32_MIN ((int32_t)_I32_MIN)
      #define INT32_MAX _I32_MAX
      #define INT64_MIN ((int64_t)_I64_MIN)
      #define INT64_MAX _I64_MAX
      #define UINT8_MAX _UI8_MAX
      #define UINT16_MAX _UI16_MAX
      #define UINT32_MAX _UI32_MAX
      #define UINT64_MAX _UI64_MAX

      // 7.18.2.2 Limits of minimum-width integer types
      #define INT_LEAST8_MIN INT8_MIN
      #define INT_LEAST8_MAX INT8_MAX
      #define INT_LEAST16_MIN INT16_MIN
      #define INT_LEAST16_MAX INT16_MAX
      #define INT_LEAST32_MIN INT32_MIN
      #define INT_LEAST32_MAX INT32_MAX
      #define INT_LEAST64_MIN INT64_MIN
      #define INT_LEAST64_MAX INT64_MAX
      #define UINT_LEAST8_MAX UINT8_MAX
      #define UINT_LEAST16_MAX UINT16_MAX
      #define UINT_LEAST32_MAX UINT32_MAX
      #define UINT_LEAST64_MAX UINT64_MAX

      // 7.18.2.3 Limits of fastest minimum-width integer types
      #define INT_FAST8_MIN INT8_MIN
      #define INT_FAST8_MAX INT8_MAX
      #define INT_FAST16_MIN INT16_MIN
      #define INT_FAST16_MAX INT16_MAX
      #define INT_FAST32_MIN INT32_MIN
      #define INT_FAST32_MAX INT32_MAX
      #define INT_FAST64_MIN INT64_MIN
      #define INT_FAST64_MAX INT64_MAX
      #define UINT_FAST8_MAX UINT8_MAX
      #define UINT_FAST16_MAX UINT16_MAX
      #define UINT_FAST32_MAX UINT32_MAX
      #define UINT_FAST64_MAX UINT64_MAX

      // 7.18.2.4 Limits of integer types capable of holding object pointers
      #ifdef _WIN64  // [
        #define INTPTR_MIN INT64_MIN
        #define INTPTR_MAX INT64_MAX
        #define UINTPTR_MAX UINT64_MAX
      #else  // _WIN64 ][
        #define INTPTR_MIN INT32_MIN
        #define INTPTR_MAX INT32_MAX
        #define UINTPTR_MAX UINT32_MAX
      #endif  // _WIN64 ]

      // 7.18.2.5 Limits of greatest-width integer types
      #define INTMAX_MIN INT64_MIN
      #define INTMAX_MAX INT64_MAX
      #define UINTMAX_MAX UINT64_MAX

    // 7.18.3 Limits of other integer types

      #ifdef _WIN64  // [
        #define PTRDIFF_MIN _I64_MIN
        #define PTRDIFF_MAX _I64_MAX
      #else  // _WIN64 ][
        #define PTRDIFF_MIN _I32_MIN
        #define PTRDIFF_MAX _I32_MAX
      #endif  // _WIN64 ]

      #define SIG_ATOMIC_MIN INT_MIN
      #define SIG_ATOMIC_MAX INT_MAX

      #ifndef SIZE_MAX  // [
        #ifdef _WIN64   // [
          #define SIZE_MAX _UI64_MAX
        #else  // _WIN64 ][
          #define SIZE_MAX _UI32_MAX
        #endif           // _WIN64 ]
      #endif             // SIZE_MAX ]

      // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
      #ifndef WCHAR_MIN  // [
        #define WCHAR_MIN 0
      #endif             // WCHAR_MIN ]
      #ifndef WCHAR_MAX  // [
        #define WCHAR_MAX _UI16_MAX
      #endif  // WCHAR_MAX ]

      #define WINT_MIN 0
      #define WINT_MAX _UI16_MAX

    #endif  // __STDC_LIMIT_MACROS ]

  // 7.18.4 Limits of other integer types

    #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)  // [   See footnote 224 at page 260

    // 7.18.4.1 Macros for minimum-width integer constants

      #define INT8_C(val) val##i8
      #define INT16_C(val) val##i16
      #define INT32_C(val) val##i32
      #define INT64_C(val) val##i64

      #define UINT8_C(val) val##ui8
      #define UINT16_C(val) val##ui16
      #define UINT32_C(val) val##ui32
      #define UINT64_C(val) val##ui64

      // 7.18.4.2 Macros for greatest-width integer constants
      // These #ifndef's are needed to prevent collisions with <boost/cstdint.hpp>.
      // Check out Issue 9 for the details.
      #ifndef INTMAX_C  //   [
        #define INTMAX_C INT64_C
      #endif             // INTMAX_C    ]
      #ifndef UINTMAX_C  //  [
        #define UINTMAX_C UINT64_C
      #endif  // UINTMAX_C   ]

    #endif  // __STDC_CONSTANT_MACROS ]

  #endif  // _MSC_VER >= 1600 ]

#endif  // _MSC_STDINT_H_ ]
